assault weapon

noun

Any select-fire firearm that allows semi-automatic and fully automatic operation, and is used or was once used by a military organization.

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Meanings

nounassault weapon (plural assault weapons)

plural assault weapons

  1. USAny select-fire firearm that allows semi-automatic and fully automatic operation, and is used or was once used by a military organization.
  2. USA semi-automatic firearm that resembles a military weapon.
    1. USNew York StateA semi-automatic weapon that has a folding stock, a muzzle flash suppressor, a bayonet mount, or a pistol grip.
  3. USA rocket launcher designed to attack fortified structures, such as a Mk 153 Shoulder-Launched Multipurpose Assault Weapon (aka SMAW).
Cite this entry
APA

assault weapon. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/assault%20weapon

MLA

“assault weapon.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/assault%20weapon. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “assault weapon,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/assault%20weapon.

Source: assault weapon on Wiktionary, CC BY-SA 4.0.